Trim any excess fat from ham. Place ham into a roasting pan. Add water to the bottom of the pan. Cover tightly with aluminum foil so that no steam can escape.
ROASTING TIMES FOR HAM:
A ham should cook for about 18-20 minutes per pound.8 pound ham: ~ 2 to 2 1/2 hours9 pound ham: ~ 2 1/2 to 3 hours10 pound ham: ~ 3 to 3 1/2 hours.
Meanwhile in a small bowl combine the dijon mustard and brown sugar. Stir to combine. Set aside.
When the oven roasted ham has 30 minutes left in the cooking time, remove it from the oven. Take off the aluminum foil and glaze the ham with brown sugar mustard glaze. Return the ham to the oven for half an hour.
Remove from oven and tent with aluminum foil. Let the meat rest for 10-15 minutes before carving.
BROWN SUGAR MUSTARD GLAZE FOR SERVING:
Meanwhile in a small bowl combine the dijon mustard, mustard seed and brown sugar. Stir to combine. Microwave the brown sugar mixture in 20-30 second bursts until the sugar is dissolved. Set aside to cool.
Serve the carved oven roasted ham with extra brown sugar mustard glaze on the side for anyone who can't get enough...
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Notes
If your ham isn't exactly 7 pounds, cook it for 18-20 minutes per pound. Begin glazing the ham 30 minutes before it's completely cooked.